The digestive system does far more than simply process food. This complex network serves as the foundation for overall health, influencing everything from immune function and brain health to energy ...

The gallbladder acts as a storage sac for bile, a digestive fluid made by the liver. When a person eats, especially fatty ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...